<template>
    <div>
        <!-- 面包屑导航区 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
          </el-breadcrumb>
        <!-- 卡片视图区域 -->
          <el-card >
          
        <!-- 收缩与添加区域 -->
              <el-row :gutter='20'>
                  <el-col :span='8'>
                    <el-input placeholder="请输入内容"  v-model='queryInfo.query' clearable @clear='getUserlist'>
                        <el-button slot="append" icon="el-icon-search" @click='getUserlist'></el-button>
                      </el-input>
                  </el-col>
                  <el-col :span='3'>
                      <el-button type='primary' @click='addDialogVusible = true'>添加用户</el-button>
                  </el-col>
              </el-row>
        <!-- 用户列表区域 -->
        <el-table :data='userlist' border stripe>
            <el-table-column type='index'></el-table-column>
            <el-table-column label='姓名' prop='username'></el-table-column>
            <el-table-column label='邮箱' prop='email'></el-table-column>
            <el-table-column label='电话' prop='mobile'></el-table-column>
            <el-table-column label='角色' prop='role_name'></el-table-column>
            <el-table-column label='状态'  >
                <template slot-scope='scope'>
                    <el-switch v-model="scope.row.mg_state" @change='userStateChanged(scope.row)'>  
                        </el-switch>
                </template>
</el-table-column>
<el-table-column label='操作' width='250px'>
    <template slot-scope='scope'>
        <!-- 修该按钮 -->
        <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
       <!-- 删除按钮 -->
       <!-- @click='defaultdata(scope.row.id)' -->
        <el-button type="danger" icon="el-icon-delete" size="mini" @click='defaultdata(scope.row.id)'  ></el-button>
        <!-- 分配角色按钮 -->
        <el-tooltip class="item" effect="dark" content="分配角色" placement="top" :enterable='false'>
        <el-button @click='setRole(scope.row)' type="warning" icon="el-icon-setting" size="mini"></el-button>
          </el-tooltip>
    </template>
</el-table-column>
</el-table>
<!-- 分页区域 -->
<el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[1,2,5,10]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total">
</el-pagination>
</el-card>
<!-- 添加用户的对话框 -->
<el-dialog title="添加用户" :visible.sync="addDialogVusible" width="30%" @close='addDialogClosed'>
    <!-- 内容主体区域 -->
    <el-form ref="addFormRef" :model="addForm" label-width="70px" :rules='addFormRules'>
        <el-form-item label="用户名" prop='username'>
            <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop='password'>
            <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop='email'>
            <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop='mobile'>
            <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
    </el-form>

    <!-- 底部区域 -->
    <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVusible = false">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
</el-dialog>
<!-- 修改用户的对话框 -->
<el-dialog title="修改用户" :visible.sync="ModifyDialogVusible" width="30%" @close='editDialogClosed'>
    <!-- 内容主体区域 -->
    <el-form ref="editFormRef" :model="editForm" label-width="70px" :rules='editFormRules'>
        <el-form-item label="用户名">
            <el-input v-model="editForm.username" disabled placeholder=""></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop='email'>
            <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop='mobile'>
            <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
    </el-form>

    <!-- 底部区域 -->
    <span slot="footer" class="dialog-footer">
    <el-button @click="ModifyDialogVusible = false"   >取 消</el-button>
    <el-button type="primary" @click="editUserInfo" >确 定</el-button>
  </span>
</el-dialog>
<!-- 分配角色对话框 -->
<el-dialog @close='setRoleDialogClosed' title="分配角色" :visible.sync="setRoleDialogVisble" width="50%">
    <div>
        <p>当前的用户：{{userinfo.username}}</p>
        <p>当前的角色：{{userinfo.role_name}}</p>
        <p>分配新角色：</p>
        <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
            </el-option>
        </el-select>

    </div>
    <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleDialogVisble = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
  </span>
</el-dialog>
</div>
</template>
<script>
    export default {
        data() {
            // 验证邮箱的规则
            var checkEmail = (rule, value, cb) => {
                    // 验证邮箱的正则表达式
                    const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
                    if (regEmail.test(value)) {
                        return cb()
                    }
                    cb(new Error('请输入合法的邮箱'))
                }
                // 验证手机号规则
            var checkMobile = (rule, value, cb) => {
                // 验证手机号的正则表达式
                const regMobile = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

                if (regMobile.test(value)) {
                    return cb()
                }
                cb(new Error('请输入合法的手机号'))
            }
            return {
                // 获取用户列表的参数对象
                queryInfo: {
                    query: '',
                    // 当前的页数
                    pagenum: 1,
                    // 当前每页显示多少条数据
                    pagesize: 2
                },
                userlist: [],
                total: 0,
                // 控制添加用户对话框的显示与隐藏
                addDialogVusible: false,
                // 控制修改用户对话框的显示与隐藏
                ModifyDialogVusible: false,
                // 控制删除用户对话框的显示与隐藏
                deleteDialogVusible: false,
                // 需要被分配角色的用户信息
                userinfo: {},
                // 所有角色的数据列表
                rolesList: [],
                // 已选中的角色id值
                selectedRoleId: '',
                // 查询到的用户信息对象
                i: 2,
                editForm: {

                },
                // 控制分配角色对话框的显示与隐藏
                setRoleDialogVisble: false,
                // 修改表单的验证规则对象
                editFormRules: {
                    email: [{
                        required: true,
                        message: '请输入邮箱',
                        trigger: 'blur'
                    }, {
                        validator: checkEmail,
                        trigger: 'blur'
                    }],
                    mobile: [{
                        required: true,
                        message: '请输入手机号',
                        trigger: 'blur'
                    }, {
                        validator: checkMobile,
                        trigger: 'blur'
                    }]

                },
                // 添加用户的表单数据
                addForm: {
                    username: '',
                    password: '',
                    email: '',
                    mobile: '',
                },
                // 添加表单的验证规则对象
                addFormRules: {
                    // 用户名验证规则
                    username: [{
                        required: true,
                        message: '请输入用户名',
                        trigger: 'blur'
                    }, {
                        min: 3,
                        max: 10,
                        message: '用户名的长度在3-10个字符之间',
                        trigger: 'blur'
                    }],
                    // 密码验证规则
                    password: [{
                        required: true,
                        message: '请输入密码',
                        trigger: 'blur'
                    }, {
                        min: 6,
                        max: 15,
                        message: '用户名的长度在6-15个字符之间',
                        trigger: 'blur'
                    }],
                    // 邮箱验证规则
                    email: [{
                        required: true,
                        message: '请输入邮箱',
                        trigger: 'blur'
                    }, {
                        validator: checkEmail,
                        trigger: 'blur'
                    }],
                    // 手机号验证规则
                    mobile: [{
                        required: true,
                        message: '请输入手机号',
                        trigger: 'blur'
                    }, {
                        validator: checkMobile,
                        trigger: 'blur'
                    }]

                }
            }
        },
        created() {
            this.getUserlist()
        },
        methods: {
            async getUserlist() {
                const {
                    data: res
                } = await this.$http.get('users/', {
                    params: this.queryInfo
                })
                if (res.meta.status !== 200) {
                    return this.$message.error('获取用户列表失败')
                }
                this.userlist = res.data.users
                this.total = res.data.total
                console.log(res);
            },
            // 监听pagesize 改变的事件
            handleSizeChange(newSize) {
                // console.log(newSize);
                this.queryInfo.pagesize = newSize
                this.getUserlist()
            },
            // 监听页码值改变的事件
            handleCurrentChange(newPage) {
                console.log(newPage);
                this.queryInfo.pagenum = newPage
                this.getUserlist()


            },
            // 监听switch开关状态的改变
            async userStateChanged(userinfo) {
                const {
                    data: res
                } = await this.$http.put(`users/${userinfo.id}/state/:${userinfo.mg_state}`)
                if (res.meta.status !== 200) {
                    userinfo.mg_state = !userinfo.mg_state
                    return this.$message.error('更新用户状态失败')
                }
                this.$message.success('更新用户状态成功')
            },
            // 监听添加用户对话框的关闭事件
            addDialogClosed() {
                this.$refs.addFormRef.resetFields()
            },
            // 点击按钮，添加用户
            addUser() {
                this.$refs.addFormRef.validate(async valid => {
                    if (!valid)
                        return
                        // 可以发起添加用户的网络请求
                    const {
                        data: res
                    } = await this.$http.post('users', this.addForm)
                    if (res.meta.status !== 201) {
                        this.$message.error('添加用户失败')
                    }
                    this.$message.success('添加用户成功！')
                        // 隐藏添加用户的对话框
                    this.addDialogVusible = false
                        // 重新获取用户列表的数据
                    this.getUserlist()

                })
            },
            // 展示编辑用户的对话框
            async showEditDialog(id) {
                const {
                    data: res
                } = await this.$http.get('users/' + id)
                if (res.meta.status !== 200) {
                    return this.$message.error('查询用户失败')
                }
                this.editForm = res.data
                this.ModifyDialogVusible = true

            },
            // 监听修改用户对话框的关闭事件
            editDialogClosed() {
                this.$refs.editFormRef.resetFields()
            },
            // 修改用户信息并提交
            editUserInfo() {
                this.$refs.editFormRef.validate(async valid => {
                    if (!valid) return
                        // 发起修改用户信息的数据请求
                    const {
                        data: res
                    } = await this.$http.put('users/' + this.editForm.id, {
                        email: this.editForm.email,
                        mobile: this.editForm.mobile
                    })
                    if (res.meta.status !== 200) {
                        return this.$message.error('更新用户信息失败！')
                    }
                    // 关闭对话框
                    this.ModifyDialogVusible = false
                        // 刷新用户列表
                    this.getUserlist()
                        // 提示修改成功
                    this.$message.success('更新用户信息成功！')

                })

            },
            // 删除数据
            async defaultdata(id) {
                this.deleteDialogVusible = true
                const {
                    data: res
                } = await this.$http.delete('users/' + id)
                console.log(res);
                if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
                    // 删除成功
                this.$message.success('删除成功')
                this.getUserlist()
            },
            // 展示分配角色的对话框
            async setRole(userinfo) {
                this.userinfo = userinfo
                    // 在展示对话框之前，获取说有角色的列表
                const {
                    data: res
                } =
                await this.$http.get('roles')
                if (res.meta.status !== 200) {
                    return this.$message.error(res.meta.msg)
                }
                this.rolesList = res.data
                this.setRoleDialogVisble = true
            },
            // 点击按钮，分配角色
            async saveRoleInfo() {
                if (!this.selectedRoleId) {
                    return this.$message.error("请选择要分配的角色！")
                }
                const {
                    data: res
                } = await this.$http.put(`users/${this.userinfo.id}/role`, {
                    rid: this.selectedRoleId
                })
                if (res.meta.status !== 200) {
                    return this.$message.error(res.meta.msg)
                }
                this.$message.success(res.meta.msg)
                this.getUserlist()
                this.setRoleDialogVisble = false
            },
            // 监听分配角色对话框的关闭事件
            setRoleDialogClosed() {
                this.selectedRoleId = '',
                    this.userinfo = {}
            }

        }
    }
</script>

<style lang="less" scoped>

</style>